Every FDIC-insured bank branch in Merrimack County, New Hampshire as of June 30, 2025. County land area: 933 square miles, 5.1 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| Merrimack County Savings Bank | 7 | $1.03B |
| Bar Harbor Bank & Trust | 6 | $316.6M |
| Citizens Bank, National Association | 6 | $713.5M |
| Franklin Savings Bank | 4 | $405.8M |
| Bank of New Hampshire | 4 | $321.3M |
| TD Bank, National Association | 4 | $2.21B |
| Sugar River Bank | 3 | $134.4M |
| Ledyard National Bank | 3 | $145.9M |
| Bangor Savings Bank | 2 | $61.7M |
| The Camden National Bank | 2 | $72.0M |
| Mascoma Bank | 1 | $115.9M |
| Santander Bank, N.A. | 1 | $118.0M |
| Eastern Bank | 1 | $44.8M |
| Bank of America, National Association | 1 | $411.2M |
| Manufacturers and Traders Trust Company | 1 | $44.1M |
| Walden Mutual Bank | 1 | $129.1M |
| NBT Bank, National Association | 1 | $27.5M |